Microbiota and innate immunity

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Microbiota and Innate Immunity.

1. In a healthy human, what body sites are colonized by microbiota?

2. Why are commensal organisms beneficial to the host?

3. Name and describe the chemical and physical barriers of innate immunity.

4. How do the lungs avoid being colonized?

5. List some chemical barriers to infection.

6. What is a lymphoid organ?

7. Explain why phagocytes do not indiscriminately phagocytose human cells.

8. How does complement kill bacteria?

9. Why might fever be helpful in fighting infection?

Reference no: EM132704563

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